GNU bug report logs - #23349
Compile output shall be error output

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Message #5 received at submit <at> debbugs.gnu.org (full text, mbox):

From: Jean Louis <guix <at> rcdrun.com>
To: bug-guile <at> gnu.org
Subject: Compile output shall be error output
Date: Sat, 23 Apr 2016 13:36:30 +0200

When editing a guile file and running it, it is going to compile it, and
there are warnings:

;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /home/data1/protected/bin/webm2html
;;; compiled
;;;       /home/data1/protected/.cache/guile/ccache/2.0-LE-8-2.0/home/data1/protected/bin/webm2html.g\
o

This kind of warnings is not desired in the output of the command and
warning shall be given on the error output and not on standard output,
so that it is possible, just with any other programs to redirect the
warnings to dev null, for example: myguile.scm 2 > /dev/null, to avoid
such warnings.

This does not work as warnings are given on standard output.

Jean Louis

Message #8 received at 23349 <at> debbugs.gnu.org (full text, mbox):

From: Matt Wette <matt.wette <at> gmail.com>
To: 23349 <at> debbugs.gnu.org
Subject: Compile output shall be error output  
Date: Sat, 25 Jun 2016 13:12:59 -0700

This issue is very similar to that in #16364.

Message #11 received at 23349 <at> debbugs.gnu.org (full text, mbox):

From: Matt Wette <matt.wette <at> gmail.com>
To: 23349 <at> debbugs.gnu.org
Subject: Re: Compile output shall be error output  
Date: Sat, 25 Jun 2016 13:54:25 -0700

[Message part 1 (text/plain, inline)]

And I believe this works as asked.  Below I execute the same “load” three times under guile, under bash: first two w/o “2>/dev/null”, and the third time with “2>/dev/null” .  For the fourth time, I use “2>/dev/null -s ,update” to process as script (and skip the banner).

mwette$ guile
GNU Guile 2.0.11
Copyright (C) 1995-2014 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (load ",update") 
;;; note: source file /Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm
;;;       newer than compiled /Users/mwette/.cache/guile/ccache/2.0-LE-8-2.0/Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm.go
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm
;;; compiled /Users/mwette/.cache/guile/ccache/2.0-LE-8-2.0/Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm.go
$1 = 0
scheme@(guile-user)> ^D

mwette$ guile 
GNU Guile 2.0.11
Copyright (C) 1995-2014 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (load ",update")
;;; note: source file /Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm
;;;       newer than compiled /Users/mwette/.cache/guile/ccache/2.0-LE-8-2.0/Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm.go
;;; note: auto-compilation is enabled, set GUILE_AUTO_COMPILE=0
;;;       or pass the --no-auto-compile argument to disable.
;;; compiling /Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm
;;; compiled /Users/mwette/.cache/guile/ccache/2.0-LE-8-2.0/Users/mwette/repo/sv/nyacc.git/module/nyacc/lang/c99/cpp.scm.go
$1 = 0
scheme@(guile-user)> ^D

mwette$ guile 2>/dev/null
GNU Guile 2.0.11
Copyright (C) 1995-2014 Free Software Foundation, Inc.

Guile comes with ABSOLUTELY NO WARRANTY; for details type `,show w'.
This program is free software, and you are welcome to redistribute it
under certain conditions; type `,show c' for details.

Enter `,help' for help.
scheme@(guile-user)> (load ",update")
$1 = 0
scheme@(guile-user)> ^D

mwette$ guile 2>/dev/null -s ,update

mwette$ 

[Message part 2 (text/html, inline)]

Message #16 received at 23349-done <at> debbugs.gnu.org (full text, mbox):

From: Andy Wingo <wingo <at> pobox.com>
To: Matt Wette <matt.wette <at> gmail.com>
Cc: 23349-done <at> debbugs.gnu.org
Subject: Re: bug#23349: Compile output shall be error output
Date: Tue, 28 Feb 2017 16:07:39 +0100

On Sat 25 Jun 2016 22:54, Matt Wette <matt.wette <at> gmail.com> writes:

> And I believe this works as asked. Below I execute the same “load” three times under guile, under bash: first two w/o “2>/dev/null”, and the third time with “2>/dev/null” . For the
> fourth time, I use “2>/dev/null -s ,update” to process as script (and skip the banner).

Thanks for checking.  Closing as done; please follow up on the bug if
there is an error.

Andy

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